RFR (XS) JDK-8015272: Make @Contended within the same group to use the same oop map

[Aleksey Shipilev]

Hi Christian,

Your call. I'm merely announcing the patch is ready. :)

-Aleksey.

On 10/13/2013 10:02 PM, Christian Tornqvist wrote:
> Hi Aleksey
> 
> We're well past Feature Complete (May 23) and Zero Bug Bounce is around the
> corner, this is not the time to push enhancements. In my opinion this should
> be done in the next 8u or in jdk9.
> 
> Thanks,
> Christian
> 
> -----Original Message-----
> From: hotspot-runtime-dev-bounces at openjdk.java.net
> [mailto:hotspot-runtime-dev-bounces at openjdk.java.net] On Behalf Of Aleksey
> Shipilev
> Sent: Sunday, October 13, 2013 12:11 PM
> To: hotspot-runtime-dev at openjdk.java.net
> Subject: RFR (XS) JDK-8015272: Make @Contended within the same group to use
> the same oop map
> 
> Hi,
> 
> Please review the simple improvement:
>   http://cr.openjdk.java.net/~shade/8015272/webrev.00/
> 
> I have copy-pasted the same block from the non- at Contended handling, because
> it is generic for both cases. The change is also on the path which is
> excercized only with @Contended with the same tag. Both @Contended
> regression tests cover this case, as well as j.l.Thread containing
> @Contended over the TLR state implicitly tests it in every VM run.
> 
> Testing:
>  - Linux x86_64 fastdebug/release: all hotspot/test/runtime jtreg
>  - JPRT full cycle against hotspot-rt
>  - vm.quick (running)
> 
> -Aleksey.
>